QS 5.4 (Algo) Computing goods available for sale LO P1 Wattan Company reports beginning inventory of 23 units at $67 each. Every week for four weeks it purchases an additional 23 units at respective costs of \$68, \$69,\$72, and \$77 per unit for weeks 1 through 4 . Compute the cost of goods available for sale and the units avallable for sale for this four-week period. Assume that no sales occur during those four weeks